/* ─── Animated accent property ──────────────────── */
@property --accent {
  syntax: '<color>';
  inherits: true;
  initial-value: #2563eb;
}

/* ─── Variables ─────────────────────────────────── */
:root {
  --bg:          #060810;
  --surface:     #0c1320;
  --surface2:    #111c2e;
  --border:      rgba(255,255,255,.06);
  --border2:     rgba(255,255,255,.10);
  --accent:      #3b6ef0;
  --accent-dim:  color-mix(in srgb, var(--accent) 12%, transparent);
  --accent-glow: color-mix(in srgb, var(--accent) 20%, transparent);
  --gold:        #fbbf24;
  --purple:      #c084fc;
  --text:        #edf2fc;
  --muted:       #a8bcd4;
  --dim:         #2e3f56;
  --radius:      0px;
  --radius-sm:   0px;
  --mono:        'JetBrains Mono', monospace;
  --sans:        'DM Sans', -apple-system, sans-serif;
}

/* ─── Reset ─────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* ─── Accent color transition ───────────────────── */
body { transition: --accent 0.45s ease; }
body[data-mode="offline"] { --accent: #b91c1c; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ─── Background grid ───────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--accent) 3%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 3%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
  opacity: .5;
}

/* ─── Accent bloom ───────────────────────────────── */
body::after {
  content: '';
  position: fixed;
  top: -400px;
  left: 50%;
  transform: translateX(-50%);
  width: 1100px;
  height: 800px;
  background: radial-gradient(ellipse at center,
    color-mix(in srgb, var(--accent) 10%, transparent) 0%,
    transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ─── Scrollbar ─────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 0; }

/* ─── NAV ───────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 58px;
  padding: 0 48px;
  background: rgba(6,8,16,.75);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}

.nav-links { display: flex; align-items: center; gap: 28px; }
body[data-mode="offline"] .nav-orgs { order: -1; }

.nav-logo {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: .06em;
  user-select: none;
}

.blink {
  color: var(--accent);
  animation: blink 1.1s step-end infinite;
}
.type-cursor {
  color: var(--accent);
  font-weight: 700;
  animation: blink 0.75s step-end infinite;
  -webkit-text-fill-color: var(--accent);
}
@keyframes blink { 50% { opacity: 0; } }

.nav-links a {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: .03em;
  transition: color .2s;
}
.nav-links a:hover { color: var(--text); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--muted);
  border-radius: 0;
  transition: background .2s;
}
.nav-burger:hover span { background: var(--text); }

/* ─── Mode toggle component ─────────────────────── */
.mode-toggle {
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 4px;
}
.mode-slider {
  position: absolute;
  top: 4px; left: 4px; bottom: 4px;
  width: calc(50% - 4px);
  border-radius: 0;
  background: var(--accent);
  transition: transform 0.38s cubic-bezier(.4,0,.2,1), background 0.45s ease;
  pointer-events: none;
  box-shadow: 0 0 16px color-mix(in srgb, var(--accent) 40%, transparent);
}
body[data-mode="offline"] .mode-slider { transform: translateX(100%); }

.mode-btn {
  position: relative; z-index: 1;
  background: none; border: none;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--muted);
  padding: 6px 20px;
  border-radius: 0;
  transition: color 0.38s ease;
  letter-spacing: .04em;
  white-space: nowrap;
}
.mode-btn.active { color: #fff; }

/* ─── Mode visibility ───────────────────────────── */
body[data-mode="online"]  [data-show="offline"] { display: none !important; }
body[data-mode="offline"] [data-show="online"]  { display: none !important; }
body[data-mode="online"]  .project-card[data-type="hardware"] { display: none !important; }
body[data-mode="offline"] .project-card[data-type="roblox"]   { display: none !important; }
body[data-mode="online"]  .nav-orgs { display: none !important; }

/* ─── Transition ────────────────────────────────── */
main { transition: opacity .25s ease, filter .25s ease, transform .25s ease; }
main.fading { opacity: 0; filter: blur(8px); transform: scale(.982); }

/* ─── Main layout ───────────────────────────────── */
main {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  padding-top: 58px;
}

/* ─── HERO ──────────────────────────────────────── */
#hero { padding: 100px 0 40px; }

.hero-inner {
  display: flex;
  align-items: flex-start;
  gap: 52px;
  margin-bottom: 64px;
}

.avatar-wrap { position: relative; flex-shrink: 0; }

.avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0f1e3d 0%, #162444 100%);
  border: 1.5px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 15%, transparent);
  transition: box-shadow 0.45s ease;
}
.avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.avatar-initials {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: .06em;
}

.status-dot {
  position: absolute;
  bottom: 5px; right: 5px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #22c55e;
  border: 2px solid var(--bg);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(34,197,94,.45); }
  50%      { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}

.hero-text { flex: 1; padding-top: 4px; }

.hero-pre {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: .12em;
  margin-bottom: 16px;
  opacity: .7;
}

h1 {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: 1.05;
  margin-bottom: 20px;
}

.accent {
  background: linear-gradient(120deg,
    var(--accent) 0%,
    color-mix(in srgb, var(--accent) 55%, #fff) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 15px;
  color: var(--muted);
  max-width: 480px;
  line-height: 1.85;
  margin-bottom: 28px;
  font-weight: 400;
}

.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  padding: 4px 14px;
  border-radius: 0;
  background: rgba(255,255,255,.05);
  color: var(--muted);
  border: none;
  letter-spacing: .04em;
}

/* ─── Stats bar ─────────────────────────────────── */
.stats-bar {
  display: flex;
  align-items: stretch;
  background: var(--surface);
  border: none;
  border-radius: var(--radius);
  overflow: hidden;
}
.stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 28px 12px;
}
.stat-value {
  font-family: var(--mono);
  font-size: 32px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -.04em;
  line-height: 1;
}
.stat-label {
  font-size: 10.5px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-top: 4px;
}
.stat-div {
  width: 1px;
  background: var(--border);
  align-self: stretch;
  margin: 20px 0;
}

/* ─── Sections ──────────────────────────────────── */
section { padding: 72px 0; }
#projects { padding-top: 36px; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}

h2 {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .18em;
  text-transform: uppercase;
}
h2::before { content: '// '; color: var(--accent); opacity: .8; }

/* ─── Projects grid ─────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 14px;
}

/* ─── Project card ──────────────────────────────── */
.project-card {
  background: var(--surface);
  border: none;
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: border-color .3s, box-shadow .3s, transform .3s, background .3s;
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    color-mix(in srgb, var(--accent) 60%, transparent) 50%,
    transparent 100%);
  opacity: 0;
  transition: opacity .35s;
}
.project-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--card-bg, none);
  background-size: var(--card-bg-size, cover);
  background-position: var(--card-bg-pos, center);
  opacity: 0.18;
  transition: opacity .45s ease;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.6) 0%, rgba(0,0,0,.1) 60%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.6) 0%, rgba(0,0,0,.1) 60%, rgba(0,0,0,0) 100%);
}
.project-card:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  background: var(--surface2);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 10%, transparent),
    0 24px 64px rgba(0,0,0,.5),
    0 4px 16px rgba(0,0,0,.3);
  transform: translateY(-4px);
}
.project-card:hover::before { opacity: 1; }
.project-card:hover::after  { opacity: 0.5; }

.project-card.placeholder {
  border-style: dashed;
  opacity: .35;
  cursor: default;
}
.project-card.placeholder:hover {
  border-color: var(--border);
  box-shadow: none;
  transform: none;
  background: var(--surface);
}
.project-card.placeholder::before,
.project-card.placeholder::after { display: none; }

/* card image preview (offline cards) */
.card-preview {
  margin: -26px -26px 20px -26px;
  width: calc(100% + 52px);
  height: 130px;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--accent) 8%, var(--surface2)) 0%,
    var(--surface2) 100%);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  flex-shrink: 0;
}
.card-preview img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .7;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.org-card .card-top .badge,
.project-card[data-type="hardware"] .card-top .badge { margin-left: auto; }

.card-icon {
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.roblox-icon {
  background: rgba(220,38,38,.08);
  border: 1px solid rgba(220,38,38,.18);
  color: #f87171;
}
.hw-icon {
  background: var(--accent-dim);
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent);
}

.badge {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 10.5px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 0;
  letter-spacing: .04em;
}
.badge-gold, .badge-purple, .badge-blue {
  background: rgba(255,255,255,.05);
  color: var(--muted);
  border: none;
}

.project-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -.025em;
}

.project-card p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.75;
  flex: 1;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--dim);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.card-tags span {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 10.5px;
  padding: 2px 10px;
  border-radius: 0;
  background: rgba(255,255,255,.04);
  color: var(--muted);
  border: none;
}

.card-footer {
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.card-link {
  font-size: 12.5px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: .01em;
}

/* ─── Orgs ──────────────────────────────────────── */
.orgs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 14px;
}

.org-card {
  background: var(--surface);
  border: none;
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 11px;
  position: relative;
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s, transform .3s, background .3s;
}
.org-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    color-mix(in srgb, var(--accent) 60%, transparent) 50%,
    transparent 100%);
  opacity: 0;
  transition: opacity .35s;
  z-index: 1;
}
.org-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--card-bg, none);
  background-size: var(--card-bg-size, cover);
  background-position: var(--card-bg-pos, center);
  opacity: 0.18;
  transition: opacity .45s ease;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.6) 0%, rgba(0,0,0,.1) 60%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.6) 0%, rgba(0,0,0,.1) 60%, rgba(0,0,0,0) 100%);
}
.org-card:hover::after { opacity: 0.5; }
.org-card:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  background: var(--surface2);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 10%, transparent),
    0 24px 64px rgba(0,0,0,.5),
    0 4px 16px rgba(0,0,0,.3);
  transform: translateY(-4px);
}
.org-card:hover::before { opacity: 1; }
.org-card > * { position: relative; z-index: 1; }

.org-icon {
  background: var(--accent-dim);
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent);
}

.org-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -.025em;
}

.org-role {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--accent);
  letter-spacing: .04em;
  opacity: .85;
}

.org-card p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.75;
  flex: 1;
}

.org-links {
  display: flex;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.org-link {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  padding: 4px 12px;
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  border-radius: 0;
  background: var(--accent-dim);
  transition: background .2s, border-color .2s;
  letter-spacing: .04em;
}
.org-link:hover {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  border-color: var(--accent);
}

/* ─── About ─────────────────────────────────────── */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 80px;
  align-items: center;
}

.about-bio p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 20px;
}
.about-bio p:last-child { margin-bottom: 0; }

.about-skills-label {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--accent);
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 20px;
  opacity: .75;
}

.skill-list { display: flex; flex-direction: column; }
.skill-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13.5px;
  color: var(--muted);
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
}
.skill-item:first-child { border-top: 1px solid var(--border); }
.skill-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px; height: 16px;
  color: var(--muted);
  flex-shrink: 0;
  opacity: .7;
}
.skill-icon svg { width: 14px; height: 14px; }

/* ─── Contact ───────────────────────────────────── */
#contact {
  border-top: 1px solid var(--border);
  padding: 72px 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: start;
}
.contact-text h2 { margin-bottom: 14px; }
.contact-text p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 380px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 200px;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  background: var(--surface);
  border: none;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  transition: border-color .2s, color .2s, background .2s, transform .2s;
}
.contact-link:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--text);
  background: var(--surface2);
  transform: translateX(3px);
}
.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

/* ─── Footer ────────────────────────────────────── */
footer {
  position: relative;
  z-index: 1;
  padding: 28px 40px 80px;
  text-align: center;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

/* ─── Fade-in animation ─────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}
.project-card.placeholder.fade-in.visible { opacity: .35; }

/* ─── Responsive ────────────────────────────────── */
@media (max-width: 860px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 58px; left: 0; right: 0;
    background: rgba(6,8,16,.97);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 16px;
    z-index: 199;
  }
  .nav-burger { display: flex; }

  main { padding: 0 20px; padding-top: 58px; }

  #hero { padding: 64px 0 44px; }
  .hero-inner { flex-direction: column; gap: 28px; }

  h1 { font-size: clamp(40px, 10vw, 64px); }

  .stats-bar { flex-wrap: wrap; }
  .stat { flex: 1 1 45%; }
  .stat-div { display: none; }

  .projects-grid { grid-template-columns: 1fr; }
  .about-layout { grid-template-columns: 1fr; gap: 40px; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .contact-grid { grid-template-columns: 1fr; gap: 28px; }
}